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Author Topic: CCminer(SP-MOD) Modded GPU kernels.  (Read 2347585 times)
antantti
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November 21, 2015, 11:47:00 PM
 #7681

Keep rebooting windows, at some point it usually finds all cards. If it sees 960 it should find 750 too.
Are you sure your pcie settings in bios are what they should be? Usually you need to do some tweaking there when running more than two GPU.

Which leads to my question... someone here running skylake (Z170) based mining rig with more than two nvidia cards? How did you do it? Spent 12 hours last night trying to figure it out...
joblo
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November 22, 2015, 12:13:55 AM
 #7682


I have a motherboard that has five PCI slots (two PCI's are the small version). It didn't like four 750 Ti's, but was fine with three 750 Ti's and 960. Do you think this is a Windows thing out of curiosity?
Did you plug in all cards in at the same time ?
When using windows i always start installing the cards in the pci-e port nearest the cpu. And then adding more cards one by one as long as they get detected by windows. Sometimes it can be a real hazzle before windows find all cards, i even have to move cards around on the pci-e ports to get all cards going. So, plugging all four cards in there and installing the graphics driver will probably not work right away.

Make sure you use a powered riser in the x1 slot if the 750ti doesn't have an external power connector.

AKA JayDDee, cpuminer-opt developer. https://github.com/JayDDee/cpuminer-opt
https://bitcointalk.org/index.php?topic=5226770.msg53865575#msg53865575
BTC: 12tdvfF7KmAsihBXQXynT6E6th2c2pByTT,
TarzanSupplex
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November 22, 2015, 12:27:38 AM
 #7683

What are the default intensities for x11 on a 980 ti??
Thanks
Is it the same as lyraRev2?
bathrobehero
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November 22, 2015, 12:58:17 AM
 #7684

What are the default intensities for x11 on a 980 ti??
Thanks
Is it the same as lyraRev2?

22 for 5.0+ cards across the board and 19.5 for older cards if I'm not mistaken:

Quote from: x11.cu
uint32_t intensity = (device_sm[device_map[thr_id]] > 500) ? 256 * 256 * 22 : 256 * 128 * 39;

It'd be nice though if ccminer would show the instensity upon launch even if the -i parameter isn't used.

Not your keys, not your coins!
TarzanSupplex
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November 22, 2015, 01:28:37 AM
 #7685

What are the default intensities for x11 on a 980 ti??
Thanks
Is it the same as lyraRev2?

22 for 5.0+ cards across the board and 19.5 for older cards if I'm not mistaken:

Quote from: x11.cu
uint32_t intensity = (device_sm[device_map[thr_id]] > 500) ? 256 * 256 * 22 : 256 * 128 * 39;

It'd be nice though if ccminer would show the instensity upon launch even if the -i parameter isn't used.

Thanks for the info-
displaying the default intensity would be great
chrysophylax
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November 22, 2015, 02:05:37 AM
 #7686


I have a motherboard that has five PCI slots (two PCI's are the small version). It didn't like four 750 Ti's, but was fine with three 750 Ti's and 960. Do you think this is a Windows thing out of curiosity?
Did you plug in all cards in at the same time ?
When using windows i always start installing the cards in the pci-e port nearest the cpu. And then adding more cards one by one as long as they get detected by windows. Sometimes it can be a real hazzle before windows find all cards, i even have to move cards around on the pci-e ports to get all cards going. So, plugging all four cards in there and installing the graphics driver will probably not work right away.

Make sure you use a powered riser in the x1 slot if the 750ti doesn't have an external power connector.

this is all good advice for troubleshooting windows based issues ...

if you try your hand at linux - let me know ... it has almost no issues recognizing cards - but the drawback is you dont have the flexibility for overclocking that you do with windows ...

but then again - linux is free too ... no matter how many machines or how many times you install ... Wink ...

i use fedora 22 x64 with cuda 7.5 ... compiling ccminer-spmod is a breeze in linux and is reporting the same ( and sometimes better ) hashrates than cuda 6.5 ...

if windows is still your base - then a lot of veterans here can help ( and have already answered this question ) ...

#crysx

chrysophylax
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November 22, 2015, 02:08:52 AM
 #7687

What are the default intensities for x11 on a 980 ti??
Thanks
Is it the same as lyraRev2?

22 for 5.0+ cards across the board and 19.5 for older cards if I'm not mistaken:

Quote from: x11.cu
uint32_t intensity = (device_sm[device_map[thr_id]] > 500) ? 256 * 256 * 22 : 256 * 128 * 39;

It'd be nice though if ccminer would show the instensity upon launch even if the -i parameter isn't used.

Thanks for the info-
displaying the default intensity would be great

thats if you use the -i parameter ... i use the -X parameter and that seems to push a little more for some reason ... sp could probably explain that ...

on the gigabyte 750ti oc lp cards - the parameter is -X 29 here without overclock ...

#crysx

ltc_bilic
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November 22, 2015, 09:31:38 AM
 #7688

@djm34: 2cac669f5e4e211bc3afa5e611575e294e247d5e10ea71f6ac56c377c9fa9784 some beers
Ayers
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November 22, 2015, 09:52:36 AM
 #7689

is this miners complete? it can mine every altcoin out there no limit?
if not which one are missed?

pallas
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November 22, 2015, 10:14:20 AM
 #7690

is this miners complete? it can mine every altcoin out there no limit?
if not which one are missed?

There are so many around it's a very though question to answer. Let's say most of the popular coins are supported, except for example scrypt-Jane ones.

hashbrown9000
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November 23, 2015, 04:49:09 AM
 #7691

does anyone have a good launch configuration or intensity setting for plain Scrypt algo for the 750ti?  I use a config file to launch ccminer and neither "launch-config" nor "intensity" seem to be doing anything.

the cards always default to auto-tune, it always sets to T30x16 and i get "result does not validate on CPU" errors.

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myagui
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November 23, 2015, 05:51:42 AM
 #7692

does anyone have a good launch configuration or intensity setting for plain Scrypt algo for the 750ti?  I use a config file to launch ccminer and neither "launch-config" nor "intensity" seem to be doing anything.

the cards always default to auto-tune, it always sets to T30x16 and i get "result does not validate on CPU" errors.

If memory serves me right, -l T5x24 is what you're looking for.
Good chance I don't remember this properly though, you know, old fart and all  Cheesy

Cryptozillah
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November 23, 2015, 04:01:19 PM
 #7693


Top rig just prepared for some 980:s that hopefully arrive tomorrow.

Notice the single 750Ti left alone in the second frame. That card only run without problems when mining single in a frame. If i run other cards in the same frame it will make the rig shutdown like 3-4 times every day. Something is really strange with that card. I have spent many hours trying to figure out what the heck was going on before i sorted that card out. When the replacement fans arrive for it i will sell it.

Right now my plan is to fill up the top frame and the second frame with 980 cards and then put two more 750Ti:s in the third one.
Not sure why the hell i am doing it when the earnings is like crap, but someone need to go full retard i guess.

Sorry for offtopic.
pallas
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November 23, 2015, 04:10:27 PM
 #7694

you do it because it's fun :-)
and what's behind, is that a heater? I assume you won't need it, then :-D

Cryptozillah
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November 23, 2015, 05:15:48 PM
 #7695

you do it because it's fun :-)
and what's behind, is that a heater? I assume you won't need it, then :-D
Yeah i am a computer geek and i like to mine, hopefully i can stack some btc up and sell some at 1000+ later on Smiley
Gpu:s are pretty are atleast easy to sell if things going south for real.

Yup its a heater behind the rig, it is not used Cheesy
dominuspro
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November 23, 2015, 06:20:14 PM
 #7696

you do it because it's fun :-)
and what's behind, is that a heater? I assume you won't need it, then :-D
Yeah i am a computer geek and i like to mine, hopefully i can stack some btc up and sell some at 1000+ later on Smiley
Gpu:s are pretty are atleast easy to sell if things going south for real.

Yup its a heater behind the rig, it is not used Cheesy

I can understand You very well  Grin

That's my ~1kW maxwell heater btw:
joblo
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November 23, 2015, 06:33:37 PM
 #7697


That's my ~1kW maxwell heater btw:


That's brilliant! You should market it. A space heater that pays for itself.

AKA JayDDee, cpuminer-opt developer. https://github.com/JayDDee/cpuminer-opt
https://bitcointalk.org/index.php?topic=5226770.msg53865575#msg53865575
BTC: 12tdvfF7KmAsihBXQXynT6E6th2c2pByTT,
Cryptozillah
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November 23, 2015, 07:35:58 PM
 #7698

you do it because it's fun :-)
and what's behind, is that a heater? I assume you won't need it, then :-D
Yeah i am a computer geek and i like to mine, hopefully i can stack some btc up and sell some at 1000+ later on Smiley
Gpu:s are pretty are atleast easy to sell if things going south for real.

Yup its a heater behind the rig, it is not used Cheesy

I can understand You very well  Grin

That's my ~1kW maxwell heater btw:

Thats awesome.
Great build !
dominuspro
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November 23, 2015, 07:38:08 PM
 #7699

That's brilliant! You should market it. A space heater that pays for itself.

No market tnx... I have a job allready Wink
It is and it will be just for fun. I guess there won't be any profit with the gpus probably loosing price badly in 2016.
 
tbearhere
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November 24, 2015, 12:00:21 PM
 #7700

Well since my great antec hcp-1300 died and it has a 7 year warranty I get a replacement free? Not. Antec's great rma services..it may be a month before I get a new one free oooo I have to pay for shipping on there free replacement. There process of getting a rma is fantastic ... 2 hrs before someone answers the phone that's great. And if I speed up the process they want a downpayment of twice what I paid for it. Yes ANTEC is a great company with fantastic service.
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